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Unit Two Work, Energy, Machines
Test Description: 6th grade science
Instructions: Answer all questions to get your test result.
1) Stored Energy that an object has due to its position, condition, or chemical composition.
A
potential
B
screw
C
machine
D
mechanical efficiency
2) Is a device that helps people do work by changing the way work is done.
A
machine
B
screw
C
lever
D
mechanical efficiency
3) Ratio of a machine's output force to its input force.
A
mechanical efficiency
B
work
C
lever
D
screw
4) Is a simple machine that consists of a solid bar that pivots at a fixed point.
A
machine
B
lever
C
work
D
potential energy
5) The use of force to move an object in the direction of the force.
A
machine
B
lever
C
potential energy
D
work
6) Is an inclined plane that is wrapped in a spiral around cylinder.
A
machine
B
lever
C
screw
D
work
7) Energy that is stored due to the height of an object from the ground.
A
potential energy
B
mechanical energy
C
chemical energy
D
gravitational energy
8) Chemical bonds being released when we eat.
A
mechanial energy
B
gravitational energy
C
chemical energy
D
potential energy
9) Ability to do work.
A
work
B
levers
C
energy
D
machines
10) Energy of an object due to the object's motion.
A
Gravitational energy
B
Kinetic energy
C
Potential energy
D
Mechanical energy
*select an answer for all questions
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